Licensed Plumber Required

Sewer Line Replacement Cost in Austin, TX

Cast Iron – 1 Bath (Pre-1960)

The average cost of sewer line replacement in Austin, TX with Cast Iron pipes (1-bath, 900 sq ft) is $7,000, with most homeowners paying between $5,810 and $8,540 depending on access difficulty, permit requirements, and contractor availability.

Cost Breakdown - Austin, TX

Parts & Materials
$3,220
Cast Iron profile
Labor
$3,490
26.6 hrs x $111/hr
Permits & Misc
$290
permits, disposal, parts
Total Estimate
$7,000
Range: $5,810-$8,540

* Estimates based on Austin area labor rates ($111/hr). Actual costs vary. Get 3 quotes.

Home Profile

Pipe Material
Cast Iron
Bathrooms
1 Bath
Home Size
900 sq ft
Local Labor Rate
$111/hr

Signs You Need This Service

  • !Recurring sewer backups despite repeated cleaning
  • !Sewer line over 40 years old
  • !Tree root intrusion confirmed on camera
  • !Collapsed or offset pipe sections
  • !Escalating repair costs with no lasting fix

What is Included

  • +Full camera inspection and mapping
  • +Excavate full sewer line length
  • +Remove old clay, cast iron, or Orangeburg pipe
  • +Install new PVC or HDPE sewer line
  • +Backfill and restore landscaping
  • +Permit, inspection, and city approval

Ready to Hire a Plumber in Austin?

Use this estimate as your baseline. Get at least 3 quotes and ask each plumber to itemize parts, labor, and permits separately.

Fair range: $5,810 to $8,540

Compare Quotes from Top-Rated Plumbers via Angi

Frequently Asked Questions

How much does sewer line replacement cost in Austin, TX?

The average cost of sewer line replacement in Austin, TX is $7,000, with most homeowners paying between $5,810 and $8,540 depending on home conditions and contractor availability.

How long does sewer line replacement take?

Most sewer line replacement jobs take 26.6 hours for a 1-bathroom home with Cast Iron pipes. Complex jobs or older homes may require additional time.

Can I do sewer line replacement myself?

This job requires a licensed plumber due to permit requirements, complexity, or safety considerations.

What affects sewer line replacement cost in Austin?

Key cost factors include pipe material (Cast Iron), home size (900 sq ft, 1 baths), local labor rates ($111/hr in Austin), and permit fees.

Explore Related Pages

-> Water Heater Replacement (Tank) for this home profile-> Same service in Houston, TX-> Same service in New York, NY-> Same service in Los Angeles, CA

Affiliate disclosure: Plumbing Repair IQ participates in the Amazon Associates program. Shop related products